General Information
N-Butane is a colorless, flammable liquified gas with a faint gasoline-like odor. It is a relatively non-toxic anesthetic in high concentrations.

Technical Information

CAS number	106-97-8
Molecular weight	58.12
Specific volume	6.4cf/lb.
CGA valve	510
Lecture bottle valve	180/110

Shipping Information

Proper shipping name	Butane
DOT Class	2.1
UN number	1011
DOT label	Flammable Gas

Purity	Cylinder Size	Volume	Pressure
			(@70°F)
99.0%	Lecture bottle	0.4 lbs.	16.3
99.5%	L04	12 lbs.	16.3
	L20	25 lbs.	16.3
	110	120 lbs.	16.3
	454	510 lbs.	16.3

Product Specifications

Assay:	99.0%	99.5%	99.8%	99.85%	99.9%
Impurities:
Methane	<500	<100	<2	<1	<1
Ethane	<2500	<250	<5	<3	<2
Propane	<2500	<1000	<400	<350	<300
Isobutane	<3000	<2500	<1500	<750	<500
Pentanes	<1500	<1000	<20	<10	<5
Sulfur	<1	<1	<1	<1	<1
Moisture	<5	<3	<2	<2	<2
Total Impurities	<1%	<5000	<2000	<1500	<1000

Liquid Phase
All impurities listed measured in PPM.
All products here are sold on the basis of total impurities.
Impurities may vary slightly. Customer is contacted if specific impurity is higher than typical.
All measurements are ppm weight unless otherwise stated.